package com.zing.mapper;

import com.zing.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    // 根据条件查询购物车数据
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    // 更新菜品or套餐数量
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    // 购物车添加商品
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " +
            " values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    // 通过id删除购物车数据
    @Delete("delete from shopping_cart where id=#{id}")
    void deleteById(Long id);

    // 清空购物车
    @Delete("delete from shopping_cart  where user_id=#{userId}")
    void cleanByUserId(Long userId);

    // 批量插入购物车数据
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
